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The Electron: Subatomic Particles
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Subatomic particles = the particles that make up the atom
Protons
Neutrons
Electrons
Unified atomic mass unit:
Used to express atomic and molecular masses
Symbol = u
1 u = 1.66 x 10*-27
Equal to the mass of a proton or neutron
Proton
Location: In the nucleus of the atom
Mass: I u
Charge: positive
Neutron
Location: In the nucleus of the atom
Mass: I u
Charge: neutral
Electron
Location: Orbiting the nucleus of the atom
Mass: I/1840 u
Charge: negative
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- Beschreibung
- This note covers the properties of the particles that make up the atom: the electron, the neutron and the proton. It also covers the unified atomic mass unit. It can be used in conjunction with the mind map on the electron.
- Erstellt von
- alex.examtime9373 · Feb 2014
- Aktualisiert
- 7 Jan 2017
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